LensFlare.hh

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/*
 * Copyright (C) 2017 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
 
#ifndef GAZEBO_RENDERING_LENSFLARE_HH_
#define GAZEBO_RENDERING_LENSFLARE_HH_
 
#include <memory>
 
#include "gazebo/msgs/msgs.hh"
 
#include "gazebo/rendering/ogre_gazebo.h"
#include "gazebo/rendering/RenderTypes.hh"
#include "gazebo/util/system.hh"
 
namespace gazebo
{
  namespace rendering
  {
    class LensFlarePrivate;
 
    class LensFlareCompositorListenerPrivate;
 
    class GZ_RENDERING_VISIBLE LensFlareCompositorListener
      : public Ogre::CompositorInstance::Listener
      {
      public: LensFlareCompositorListener(CameraPtr _camera, LightPtr _light);
 
      public: ~LensFlareCompositorListener();
 
      public: void SetLight(LightPtr _light);
 
      public: void SetScale(const double _scale);
 
      public: void SetColor(const ignition::math::Vector3d &_color);
 
      public: virtual void notifyMaterialRender(unsigned int _passId,
                                                Ogre::MaterialPtr &_mat);
 
      private: void CameraPosScale(const CameraPtr &_camera,
          ignition::math::Vector3d &_pos, double &_scale);
 
      private: void WideAngleCameraPosScale(
          const WideAngleCameraPtr &_wideAngleCam,
          ignition::math::Vector3d &_pos, double &_scale);
 
      private: double OcclusionScale(const CameraPtr &_cam,
                                     const ignition::math::Vector3d &_imgPos,
                                     const ignition::math::Vector3d &_worldPos);
 
      private: std::unique_ptr<LensFlareCompositorListenerPrivate> dataPtr;
    };
 
 
    class GZ_RENDERING_VISIBLE LensFlare
    {
      public: LensFlare();
 
      public: virtual ~LensFlare();
 
      public: void SetCamera(CameraPtr _camera);
 
      public: void SetScale(const double _scale);
 
      public: void SetColor(const ignition::math::Vector3d &_color);
 
      public: void SetCompositorName(const std::string &_name);
 
      protected: void Update();
 
      protected: void SetCameraImpl(CameraPtr _camera);
 
      protected: void SetLensFlareCompositorListener(
          std::shared_ptr<LensFlareCompositorListener> _listener);
 
      protected: void SetLensFlareInstance(Ogre::CompositorInstance *_instance);
 
      private: void OnRequest(ConstRequestPtr &_msg);
 
      private: std::unique_ptr<LensFlarePrivate> dataPtr;
    };
  }
}
#endif